Factor of distancec Z
Factor of distancec Z
Relationship between the height (h) of a sign and the observation distance (l), used to determine observation distances of signs
z = l/h
- Document
- ISO
- Context
- International Standard
- Origin document
ISO 3864-1:2011(en) Graphical symbols — Safety colours and safety signs — Part 1: Design principles for safety signs and safety markings
- Reference Link
- Release